NECA Jeff Dunham "Achmed" Half Face Mask Most terrorists try to stay off the radar, but this Jeff Dunham Achmed the Undead Terrorist Mask you can be the face of terror on the 1 night that everyone should be afraid. Achmed's mask is made from plastic and has an elastic strap in the back for a snug hold on his menacing, terrorizing, yet humbling face. So grab your Achmed mask and hit the streets for some ghoulish treats! One size fits most.